722369268 has 18 divisors (see below), whose sum is σ = 1825989074. Its totient is φ = 240789744.

The previous prime is 722369243. The next prime is 722369311. The reversal of 722369268 is 862963227.

722369268 is a `hidden beast` number, since 7 + 22 + 369 + 268 = 666.

It can be written as a sum of positive squares in only one way, i.e., 435473424 + 286895844 = 20868^2 + 16938^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10032871 + ... + 10032942.

Almost surely, 2^722369268 is an apocalyptic number.

It is an amenable number.

722369268 is an abundant number, since it is smaller than the sum of its proper divisors (1103619806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722369268 is a wasteful number, since it uses less digits than its factorization.

722369268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065823 (or 20065818 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 722369268 is about 26876.9281726912. The cubic root of 722369268 is about 897.2629885506.

The spelling of 722369268 in words is "seven hundred twenty-two million, three hundred sixty-nine thousand, two hundred sixty-eight".